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You can try and go to your local passport governing body and see if they are able to scan the barcode effectively. If you feel that the passport is damaged or it does not work when being scanned, then you will need to fill out the attached forms to apply for a replacement passport.
Scroll down to the DS-11 and DS-64 forms.
Attached is a link to the directory of Seattle passport services. Review each of the locations and find which is the closest to where you live.